Kalinin Ivan
From Khanty-Mansiysk, Russia
EMA: 15020058
Internal rating (RR)
Rating date July 3, 2025 (latest changes July 3, 2025).
86 place (458.68).
how we calculated rating score
max_coefficients = (4.10 * 1 + 4.60 * 0.86 + 3.85 * 1 + 3.75 * 1) = 15.64266
p1 = (842.11 * 3.85 * 1 + 870.97 * 2.40 * 1 + 0 + 0 + 0) / (3.85 * 1 + 2.40 * 1 + 1 + 1 + 1) = 576.4789189189189
p2 = (842.11 * 3.85 * 1 + 870.97 * 2.40 * 1) / max_coefficients = 340.89023222393126
score = 576.4789189189189 * 0.5 + 340.89023222393126 * 0.5 = 458.68457557142506
Rating changes
| Date | Place | Points | Reason | 
|---|---|---|---|
| 2025-07-03 | 82 -> 86 | 458.68 | |
| 2025-06-15 | 75 -> 82 | 463.73 -> 458.68 | |
| 2025-06-11 | 77 -> 75 | 463.73 | |
| 2025-06-09 | 81 -> 77 | 463.73 | |
| 2025-06-08 | 80 -> 81 | 463.73 | |
| 2025-05-30 | 82 -> 80 | 463.73 | |
| 2025-05-12 | 83 -> 82 | 456.45 -> 463.73 | |
| 2025-05-03 | 78 -> 83 | 456.45 | |
| 2025-04-11 | 80 -> 78 | 456.45 | |
| 2025-03-02 | 96 -> 80 | 152.54 -> 456.45 | 
                        
                             Riichi Maslenitsa (shrovetide): 0% -> 100%  | 
                
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 871 | 
                     | 
                5/32 | 100% | 2.40 | RR | Riichi Maslenitsa (shrovetide) | Yekaterinburg | |
| 2 | 842 | 
                     | 
                16/96 | 100% | 3.85 | RR | SPB Riichi Open 2024 | Saint Petersburg | |
| 3 | 766 | 
                     | 
                27/112 | 0% | 4.05 | RR | Moscow Riichi 2022 | Moscow | |
| 4 | 328 | 
                     | 
                46/68 | 0% | 3.50 | RR | Tenpai can't buy happiness | Perm | |
| 5 | 386 | 
                     | 
                52/84 | 0% | 4.20 | EMA | Haru Shanten 2019 | Perm | |
| 6 | 577 | 
                     | 
                31/72 | 0% | 3.85 | EMA | Haru Shanten 2018 | Perm | |
| 7 | 258 | 
                     | 
                24/32 | 0% | 2.20 | RR | Russian riichi championship by JPML-B rules | Novosibirsk | |
| 8 | 842 | 
                     | 
                4/20 | 0% | 2.10 | EMA | Tyumen Riichi Open 2017 | Tyumen | |
| 9 | 211 | 
                     | 
                57/72 | 0% | 3.25 | EMA | Perm Riichi 2017 Aki Shanten | Perm | |
| 10 | 815 | 
                     | 
                6/28 | 0% | 2.10 | RR | Tyumen Mahjong Tournament (TMT) 2017 | Tyumen | |
| 11 | 87 | 
                     | 
                22/24 | 0% | 1.60 | RR | December tournament glhf; 2016 | Moscow |